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प्रश्न
Assertion: Only a small amount of \[\ce{HCl}\] is required in the reduction of nitro compounds with iron scrap and \[\ce{HCl}\] in the presence of steam.
Reason: \[\ce{FeCl2}\] formed gets hydrolysed to release \[\ce{HCl}\] during the reaction.
विकल्प
Both assertion and reason are wrong.
Both assertion and reason are correct statements but reason is not correct explanation of assertion.
Assertion is correct statement but reason is wrong statement.
Both assertion and reason are correct statements and reason is correct explanation of assertion.
Assertion is wrong statement but reason is correct statement.
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उत्तर
Both assertion and reason are correct statements and reason is correct explanation of assertion.
Explanation:
\[\ce{Fe + 2HCl ->FeCl2 + 2[H] FeCl2 + H2O(g) -> FeO + 2HCl}\]
The nascent hydrogen formed act as is reducing agent for the reduction of nitro compounds.
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संबंधित प्रश्न
Write the chemical equation involved in the following reaction:
Hoffmann-bromamide degradation reaction
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Write the reaction of aliphatic primary amine with nitrous acid.
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C6H5NH2, C2H5NH2, C6H5NHCH3
Alkyl cyanides on reduction by sodium and ethanol give primary amines. This reaction is called as ____________.
The end product C of the following reaction is
\[\ce{C2H5NH2 ->[HNO2] A ->[PCl5] B ->[NH3][Alcohol] C}\]
Identify the product obtained, when benzamide is treated with bromine and aqueous sodium hydroxide.
Identify the product obtained when benzyl chloride undergoes ammonolysis in presence of excess ammonia followed by the reaction with two moles of methyl iodide.
____________ can be prepared exclusively by Gabriel phthalimide synthesis.
Amongst the given set of reactants, the most appropriate for preparing 2° amine is ______.
Reduction of aromatic nitro compounds using \[\ce{Fe}\] and \[\ce{HCl}\] gives ______.
Reduction of nitrobenzene by which of the following reagent gives aniline?
(i) \[\ce{Sn/HCl}\]
(ii) \[\ce{Fe/HCl}\]
(iii) \[\ce{H2 - Pd}\]
(iv) \[\ce{Sn/NH4OH}\]
Under which of the following reaction conditions, aniline gives p-nitro derivative as the major product?
(i) Acetyl chloride/pyridine followed by reaction with conc.\[\ce{H2SO4 }\] + conc. \[\ce{HNO3}\].
(ii) Acetic anyhdride/pyridine followed by conc.\[\ce{H2SO4}\] + conc.\[\ce{HNO3}\].
(iii) Dil. HCl followed by reaction with conc.\[\ce{H2SO4}\] + conc.\[\ce{HNO3}\].
(iv) Reaction with conc.\[\ce{HNO3}\] + conc.\[\ce{H2 SO4}\].
Suggest a route by which the following conversion can be accomplished.
How will you carry out the following conversions?
Reduction of nitro alkanes yields which compound?
Amides can be converted into amines by the reaction named ______.
Write a short note on the following:
Ammonolysis
Write short note on the following:
Ammonolysis
Write a short note on the following:
Ammonolysis.
